PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $2.78 |
| PSA 8 | $8 |
| PSA 9 | $18.5 |
| PSA 10 | $34 |
| BGS 10 | $44 |
| CGC 10 | $20 |
| SGC 10 | $20 |
TCGplayer market price: $4 (as of 2026-10-20)
Market context: ungraded price +0.0% over 30 days. +3.3% over 90 days. PSA 10 premium: 12.2× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-ex-battle-boost/pokemon-japanese-ex-battle-boost-sewaddle-1st-edition-5